Comanche, Oklahoma
United States
17
2007-05-10
The entities that hold a legal rights for patent applications filed by inventor Gray Dennis W.:
Dennis W. Gray from Comanche, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Fluid loss control additives for foamed cement compositions and associated methods
#2 | 2007-01-18Apparatus and methods for improved fluid displacement in subterranean formations
#3 | 2006-12-05Well completion spacer fluids containing fibers and methods
#4 | 2006-11-16Well completion spacer fluids containing fibers
#5 | 2006-10-12Laboratory apparatus and method for evaluating cement performance for a wellbore
#6 | 2006-04-20Set retarder compositions, cement compositions, and associated methods
#7 | 2006-03-23Apparatus and methods for improved fluid displacement in subterranean formations
#8 | 2006-03-23Apparatus and methods for improved fluid displacement in subterranean formations
#9 | 2006-02-28Set retarder compositions, cement compositions, and associated methods
#10 | 2006-02-09Foamed cement slurries, additives and methods
#11 | 2006-01-26Foamed cement compositions, additives, and associated methods
#12 | 2006-01-26Foamed cement slurries, additives and methods
#13 | 2005-12-27Methods of cementing in subterranean formations
#14 | 2005-11-15Zeolite-containing cement composition
#15 | 2005-10-04Foamed cement slurries, additives and methods
#16 | 2005-09-22Zeolite-containing cement composition
#17 | 2005-01-18Methods and compositions for cementing subterranean zones
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